CVE-2021-1266 Cisco Managed Services Accelerator Denial of Service Vulnerability
An authenticated remote attacker can cause a denial of service on Cisco MSX by flooding the REST API with crafted requests.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-1266?
CVE-2021-1266 is a medium-severity denial of service vulnerability in Cisco Managed Services Accelerator, published on 4 Feb 2021. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability in the REST API of Cisco Managed Services Accelerator (MSX) could allow an authenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to the way that the affected software logs certain API requests. An attacker could exploit this vulnerability by sending a flood of crafted API requests to an affected device. A successful exploit could allow the attacker to cause a DoS condition on the affected device.
Weakness: CWE-400
Which versions are affected by CVE-2021-1266?
It affects 1 product.
Products include Cisco Managed Services Accelerator.
How do I fix CVE-2021-1266?
No fix has been published for CVE-2021-1266 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2021-1266 being exploited?
There is no known exploitation of CVE-2021-1266 in the wild and no public exploit code.
Other vulnerabilities in Cisco Managed Services Accelerator
Sources
Also known as GHSA-q2xf-jvwq-327h.